833 lines
40 KiB
C++
833 lines
40 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "stack_map.h"
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#include "base/arena_bit_vector.h"
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#include "stack_map_stream.h"
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#include "gtest/gtest.h"
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namespace art {
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// Check that the stack mask of given stack map is identical
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// to the given bit vector. Returns true if they are same.
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static bool CheckStackMask(
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const StackMap& stack_map,
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StackMapEncoding& encoding,
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const BitVector& bit_vector) {
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int number_of_bits = stack_map.GetNumberOfStackMaskBits(encoding);
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if (bit_vector.GetHighestBitSet() >= number_of_bits) {
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return false;
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}
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for (int i = 0; i < number_of_bits; ++i) {
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if (stack_map.GetStackMaskBit(encoding, i) != bit_vector.IsBitSet(i)) {
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return false;
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}
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}
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return true;
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}
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using Kind = DexRegisterLocation::Kind;
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TEST(StackMapTest, Test1) {
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ArenaPool pool;
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ArenaAllocator arena(&pool);
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StackMapStream stream(&arena);
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ArenaBitVector sp_mask(&arena, 0, false);
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size_t number_of_dex_registers = 2;
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stream.BeginStackMapEntry(0, 64, 0x3, &sp_mask, number_of_dex_registers, 0);
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stream.AddDexRegisterEntry(Kind::kInStack, 0); // Short location.
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stream.AddDexRegisterEntry(Kind::kConstant, -2); // Short location.
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stream.EndStackMapEntry();
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size_t size = stream.PrepareForFillIn();
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void* memory = arena.Alloc(size, kArenaAllocMisc);
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MemoryRegion region(memory, size);
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stream.FillIn(region);
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CodeInfo code_info(region);
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CodeInfoEncoding encoding = code_info.ExtractEncoding();
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ASSERT_EQ(1u, code_info.GetNumberOfStackMaps(encoding));
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uint32_t number_of_catalog_entries = code_info.GetNumberOfLocationCatalogEntries(encoding);
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ASSERT_EQ(2u, number_of_catalog_entries);
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DexRegisterLocationCatalog location_catalog = code_info.GetDexRegisterLocationCatalog(encoding);
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// The Dex register location catalog contains:
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// - one 1-byte short Dex register location, and
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// - one 5-byte large Dex register location.
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size_t expected_location_catalog_size = 1u + 5u;
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ASSERT_EQ(expected_location_catalog_size, location_catalog.Size());
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StackMap stack_map = code_info.GetStackMapAt(0, encoding);
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ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForDexPc(0, encoding)));
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ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForNativePcOffset(64, encoding)));
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ASSERT_EQ(0u, stack_map.GetDexPc(encoding.stack_map_encoding));
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ASSERT_EQ(64u, stack_map.GetNativePcOffset(encoding.stack_map_encoding));
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ASSERT_EQ(0x3u, stack_map.GetRegisterMask(encoding.stack_map_encoding));
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ASSERT_TRUE(CheckStackMask(stack_map, encoding.stack_map_encoding, sp_mask));
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ASSERT_TRUE(stack_map.HasDexRegisterMap(encoding.stack_map_encoding));
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DexRegisterMap dex_register_map =
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code_info.GetDexRegisterMapOf(stack_map, encoding, number_of_dex_registers);
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ASSERT_TRUE(dex_register_map.IsDexRegisterLive(0));
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ASSERT_TRUE(dex_register_map.IsDexRegisterLive(1));
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ASSERT_EQ(2u, dex_register_map.GetNumberOfLiveDexRegisters(number_of_dex_registers));
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// The Dex register map contains:
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// - one 1-byte live bit mask, and
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// - one 1-byte set of location catalog entry indices composed of two 2-bit values.
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size_t expected_dex_register_map_size = 1u + 1u;
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ASSERT_EQ(expected_dex_register_map_size, dex_register_map.Size());
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ASSERT_EQ(Kind::kInStack, dex_register_map.GetLocationKind(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kConstant, dex_register_map.GetLocationKind(
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1, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kInStack, dex_register_map.GetLocationInternalKind(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kConstantLargeValue, dex_register_map.GetLocationInternalKind(
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1, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(0, dex_register_map.GetStackOffsetInBytes(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(-2, dex_register_map.GetConstant(1, number_of_dex_registers, code_info, encoding));
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size_t index0 = dex_register_map.GetLocationCatalogEntryIndex(
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0, number_of_dex_registers, number_of_catalog_entries);
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size_t index1 = dex_register_map.GetLocationCatalogEntryIndex(
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1, number_of_dex_registers, number_of_catalog_entries);
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ASSERT_EQ(0u, index0);
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ASSERT_EQ(1u, index1);
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DexRegisterLocation location0 = location_catalog.GetDexRegisterLocation(index0);
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DexRegisterLocation location1 = location_catalog.GetDexRegisterLocation(index1);
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ASSERT_EQ(Kind::kInStack, location0.GetKind());
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ASSERT_EQ(Kind::kConstant, location1.GetKind());
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ASSERT_EQ(Kind::kInStack, location0.GetInternalKind());
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ASSERT_EQ(Kind::kConstantLargeValue, location1.GetInternalKind());
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ASSERT_EQ(0, location0.GetValue());
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ASSERT_EQ(-2, location1.GetValue());
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ASSERT_FALSE(stack_map.HasInlineInfo(encoding.stack_map_encoding));
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}
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TEST(StackMapTest, Test2) {
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ArenaPool pool;
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ArenaAllocator arena(&pool);
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StackMapStream stream(&arena);
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ArenaBitVector sp_mask1(&arena, 0, true);
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sp_mask1.SetBit(2);
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sp_mask1.SetBit(4);
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size_t number_of_dex_registers = 2;
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size_t number_of_dex_registers_in_inline_info = 0;
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stream.BeginStackMapEntry(0, 64, 0x3, &sp_mask1, number_of_dex_registers, 2);
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stream.AddDexRegisterEntry(Kind::kInStack, 0); // Short location.
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stream.AddDexRegisterEntry(Kind::kConstant, -2); // Large location.
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stream.BeginInlineInfoEntry(82, 3, kDirect, number_of_dex_registers_in_inline_info);
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stream.EndInlineInfoEntry();
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stream.BeginInlineInfoEntry(42, 2, kStatic, number_of_dex_registers_in_inline_info);
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stream.EndInlineInfoEntry();
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stream.EndStackMapEntry();
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ArenaBitVector sp_mask2(&arena, 0, true);
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sp_mask2.SetBit(3);
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sp_mask2.SetBit(8);
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stream.BeginStackMapEntry(1, 128, 0xFF, &sp_mask2, number_of_dex_registers, 0);
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stream.AddDexRegisterEntry(Kind::kInRegister, 18); // Short location.
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stream.AddDexRegisterEntry(Kind::kInFpuRegister, 3); // Short location.
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stream.EndStackMapEntry();
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ArenaBitVector sp_mask3(&arena, 0, true);
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sp_mask3.SetBit(1);
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sp_mask3.SetBit(5);
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stream.BeginStackMapEntry(2, 192, 0xAB, &sp_mask3, number_of_dex_registers, 0);
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stream.AddDexRegisterEntry(Kind::kInRegister, 6); // Short location.
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stream.AddDexRegisterEntry(Kind::kInRegisterHigh, 8); // Short location.
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stream.EndStackMapEntry();
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ArenaBitVector sp_mask4(&arena, 0, true);
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sp_mask4.SetBit(6);
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sp_mask4.SetBit(7);
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stream.BeginStackMapEntry(3, 256, 0xCD, &sp_mask4, number_of_dex_registers, 0);
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stream.AddDexRegisterEntry(Kind::kInFpuRegister, 3); // Short location, same in stack map 2.
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stream.AddDexRegisterEntry(Kind::kInFpuRegisterHigh, 1); // Short location.
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stream.EndStackMapEntry();
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size_t size = stream.PrepareForFillIn();
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void* memory = arena.Alloc(size, kArenaAllocMisc);
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MemoryRegion region(memory, size);
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stream.FillIn(region);
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CodeInfo code_info(region);
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CodeInfoEncoding encoding = code_info.ExtractEncoding();
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ASSERT_EQ(4u, code_info.GetNumberOfStackMaps(encoding));
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uint32_t number_of_catalog_entries = code_info.GetNumberOfLocationCatalogEntries(encoding);
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ASSERT_EQ(7u, number_of_catalog_entries);
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DexRegisterLocationCatalog location_catalog = code_info.GetDexRegisterLocationCatalog(encoding);
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// The Dex register location catalog contains:
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// - six 1-byte short Dex register locations, and
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// - one 5-byte large Dex register location.
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size_t expected_location_catalog_size = 6u * 1u + 5u;
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ASSERT_EQ(expected_location_catalog_size, location_catalog.Size());
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// First stack map.
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{
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StackMap stack_map = code_info.GetStackMapAt(0, encoding);
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ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForDexPc(0, encoding)));
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ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForNativePcOffset(64, encoding)));
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ASSERT_EQ(0u, stack_map.GetDexPc(encoding.stack_map_encoding));
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ASSERT_EQ(64u, stack_map.GetNativePcOffset(encoding.stack_map_encoding));
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ASSERT_EQ(0x3u, stack_map.GetRegisterMask(encoding.stack_map_encoding));
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ASSERT_TRUE(CheckStackMask(stack_map, encoding.stack_map_encoding, sp_mask1));
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ASSERT_TRUE(stack_map.HasDexRegisterMap(encoding.stack_map_encoding));
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DexRegisterMap dex_register_map =
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code_info.GetDexRegisterMapOf(stack_map, encoding, number_of_dex_registers);
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ASSERT_TRUE(dex_register_map.IsDexRegisterLive(0));
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ASSERT_TRUE(dex_register_map.IsDexRegisterLive(1));
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ASSERT_EQ(2u, dex_register_map.GetNumberOfLiveDexRegisters(number_of_dex_registers));
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// The Dex register map contains:
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// - one 1-byte live bit mask, and
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// - one 1-byte set of location catalog entry indices composed of two 2-bit values.
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size_t expected_dex_register_map_size = 1u + 1u;
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ASSERT_EQ(expected_dex_register_map_size, dex_register_map.Size());
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ASSERT_EQ(Kind::kInStack, dex_register_map.GetLocationKind(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kConstant, dex_register_map.GetLocationKind(
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1, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kInStack, dex_register_map.GetLocationInternalKind(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kConstantLargeValue, dex_register_map.GetLocationInternalKind(
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1, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(0, dex_register_map.GetStackOffsetInBytes(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(-2, dex_register_map.GetConstant(1, number_of_dex_registers, code_info, encoding));
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size_t index0 = dex_register_map.GetLocationCatalogEntryIndex(
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0, number_of_dex_registers, number_of_catalog_entries);
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size_t index1 = dex_register_map.GetLocationCatalogEntryIndex(
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1, number_of_dex_registers, number_of_catalog_entries);
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ASSERT_EQ(0u, index0);
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ASSERT_EQ(1u, index1);
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DexRegisterLocation location0 = location_catalog.GetDexRegisterLocation(index0);
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DexRegisterLocation location1 = location_catalog.GetDexRegisterLocation(index1);
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ASSERT_EQ(Kind::kInStack, location0.GetKind());
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ASSERT_EQ(Kind::kConstant, location1.GetKind());
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ASSERT_EQ(Kind::kInStack, location0.GetInternalKind());
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ASSERT_EQ(Kind::kConstantLargeValue, location1.GetInternalKind());
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ASSERT_EQ(0, location0.GetValue());
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ASSERT_EQ(-2, location1.GetValue());
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ASSERT_TRUE(stack_map.HasInlineInfo(encoding.stack_map_encoding));
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InlineInfo inline_info = code_info.GetInlineInfoOf(stack_map, encoding);
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ASSERT_EQ(2u, inline_info.GetDepth(encoding.inline_info_encoding));
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ASSERT_EQ(82u, inline_info.GetMethodIndexAtDepth(encoding.inline_info_encoding, 0));
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ASSERT_EQ(42u, inline_info.GetMethodIndexAtDepth(encoding.inline_info_encoding, 1));
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ASSERT_EQ(3u, inline_info.GetDexPcAtDepth(encoding.inline_info_encoding, 0));
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ASSERT_EQ(2u, inline_info.GetDexPcAtDepth(encoding.inline_info_encoding, 1));
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ASSERT_EQ(kDirect, inline_info.GetInvokeTypeAtDepth(encoding.inline_info_encoding, 0));
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ASSERT_EQ(kStatic, inline_info.GetInvokeTypeAtDepth(encoding.inline_info_encoding, 1));
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}
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// Second stack map.
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{
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StackMap stack_map = code_info.GetStackMapAt(1, encoding);
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ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForDexPc(1u, encoding)));
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ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForNativePcOffset(128u, encoding)));
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ASSERT_EQ(1u, stack_map.GetDexPc(encoding.stack_map_encoding));
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ASSERT_EQ(128u, stack_map.GetNativePcOffset(encoding.stack_map_encoding));
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ASSERT_EQ(0xFFu, stack_map.GetRegisterMask(encoding.stack_map_encoding));
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ASSERT_TRUE(CheckStackMask(stack_map, encoding.stack_map_encoding, sp_mask2));
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ASSERT_TRUE(stack_map.HasDexRegisterMap(encoding.stack_map_encoding));
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DexRegisterMap dex_register_map =
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code_info.GetDexRegisterMapOf(stack_map, encoding, number_of_dex_registers);
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ASSERT_TRUE(dex_register_map.IsDexRegisterLive(0));
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ASSERT_TRUE(dex_register_map.IsDexRegisterLive(1));
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ASSERT_EQ(2u, dex_register_map.GetNumberOfLiveDexRegisters(number_of_dex_registers));
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// The Dex register map contains:
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// - one 1-byte live bit mask, and
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// - one 1-byte set of location catalog entry indices composed of two 2-bit values.
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size_t expected_dex_register_map_size = 1u + 1u;
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ASSERT_EQ(expected_dex_register_map_size, dex_register_map.Size());
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ASSERT_EQ(Kind::kInRegister, dex_register_map.GetLocationKind(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kInFpuRegister, dex_register_map.GetLocationKind(
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1, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kInRegister, dex_register_map.GetLocationInternalKind(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kInFpuRegister, dex_register_map.GetLocationInternalKind(
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1, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(18, dex_register_map.GetMachineRegister(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(3, dex_register_map.GetMachineRegister(
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1, number_of_dex_registers, code_info, encoding));
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size_t index0 = dex_register_map.GetLocationCatalogEntryIndex(
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0, number_of_dex_registers, number_of_catalog_entries);
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size_t index1 = dex_register_map.GetLocationCatalogEntryIndex(
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1, number_of_dex_registers, number_of_catalog_entries);
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ASSERT_EQ(2u, index0);
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ASSERT_EQ(3u, index1);
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DexRegisterLocation location0 = location_catalog.GetDexRegisterLocation(index0);
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DexRegisterLocation location1 = location_catalog.GetDexRegisterLocation(index1);
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ASSERT_EQ(Kind::kInRegister, location0.GetKind());
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ASSERT_EQ(Kind::kInFpuRegister, location1.GetKind());
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ASSERT_EQ(Kind::kInRegister, location0.GetInternalKind());
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ASSERT_EQ(Kind::kInFpuRegister, location1.GetInternalKind());
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ASSERT_EQ(18, location0.GetValue());
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ASSERT_EQ(3, location1.GetValue());
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ASSERT_FALSE(stack_map.HasInlineInfo(encoding.stack_map_encoding));
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}
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// Third stack map.
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{
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StackMap stack_map = code_info.GetStackMapAt(2, encoding);
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ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForDexPc(2u, encoding)));
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ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForNativePcOffset(192u, encoding)));
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ASSERT_EQ(2u, stack_map.GetDexPc(encoding.stack_map_encoding));
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ASSERT_EQ(192u, stack_map.GetNativePcOffset(encoding.stack_map_encoding));
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ASSERT_EQ(0xABu, stack_map.GetRegisterMask(encoding.stack_map_encoding));
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ASSERT_TRUE(CheckStackMask(stack_map, encoding.stack_map_encoding, sp_mask3));
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ASSERT_TRUE(stack_map.HasDexRegisterMap(encoding.stack_map_encoding));
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DexRegisterMap dex_register_map =
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code_info.GetDexRegisterMapOf(stack_map, encoding, number_of_dex_registers);
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ASSERT_TRUE(dex_register_map.IsDexRegisterLive(0));
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ASSERT_TRUE(dex_register_map.IsDexRegisterLive(1));
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ASSERT_EQ(2u, dex_register_map.GetNumberOfLiveDexRegisters(number_of_dex_registers));
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// The Dex register map contains:
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// - one 1-byte live bit mask, and
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// - one 1-byte set of location catalog entry indices composed of two 2-bit values.
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size_t expected_dex_register_map_size = 1u + 1u;
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ASSERT_EQ(expected_dex_register_map_size, dex_register_map.Size());
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ASSERT_EQ(Kind::kInRegister, dex_register_map.GetLocationKind(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kInRegisterHigh, dex_register_map.GetLocationKind(
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1, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kInRegister, dex_register_map.GetLocationInternalKind(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(Kind::kInRegisterHigh, dex_register_map.GetLocationInternalKind(
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1, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(6, dex_register_map.GetMachineRegister(
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0, number_of_dex_registers, code_info, encoding));
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ASSERT_EQ(8, dex_register_map.GetMachineRegister(
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1, number_of_dex_registers, code_info, encoding));
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size_t index0 = dex_register_map.GetLocationCatalogEntryIndex(
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0, number_of_dex_registers, number_of_catalog_entries);
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size_t index1 = dex_register_map.GetLocationCatalogEntryIndex(
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1, number_of_dex_registers, number_of_catalog_entries);
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ASSERT_EQ(4u, index0);
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ASSERT_EQ(5u, index1);
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DexRegisterLocation location0 = location_catalog.GetDexRegisterLocation(index0);
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DexRegisterLocation location1 = location_catalog.GetDexRegisterLocation(index1);
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ASSERT_EQ(Kind::kInRegister, location0.GetKind());
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ASSERT_EQ(Kind::kInRegisterHigh, location1.GetKind());
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ASSERT_EQ(Kind::kInRegister, location0.GetInternalKind());
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ASSERT_EQ(Kind::kInRegisterHigh, location1.GetInternalKind());
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ASSERT_EQ(6, location0.GetValue());
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ASSERT_EQ(8, location1.GetValue());
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ASSERT_FALSE(stack_map.HasInlineInfo(encoding.stack_map_encoding));
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}
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// Fourth stack map.
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{
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StackMap stack_map = code_info.GetStackMapAt(3, encoding);
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ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForDexPc(3u, encoding)));
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ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForNativePcOffset(256u, encoding)));
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ASSERT_EQ(3u, stack_map.GetDexPc(encoding.stack_map_encoding));
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ASSERT_EQ(256u, stack_map.GetNativePcOffset(encoding.stack_map_encoding));
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ASSERT_EQ(0xCDu, stack_map.GetRegisterMask(encoding.stack_map_encoding));
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ASSERT_TRUE(CheckStackMask(stack_map, encoding.stack_map_encoding, sp_mask4));
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|
ASSERT_TRUE(stack_map.HasDexRegisterMap(encoding.stack_map_encoding));
|
|
DexRegisterMap dex_register_map =
|
|
code_info.GetDexRegisterMapOf(stack_map, encoding, number_of_dex_registers);
|
|
ASSERT_TRUE(dex_register_map.IsDexRegisterLive(0));
|
|
ASSERT_TRUE(dex_register_map.IsDexRegisterLive(1));
|
|
ASSERT_EQ(2u, dex_register_map.GetNumberOfLiveDexRegisters(number_of_dex_registers));
|
|
// The Dex register map contains:
|
|
// - one 1-byte live bit mask, and
|
|
// - one 1-byte set of location catalog entry indices composed of two 2-bit values.
|
|
size_t expected_dex_register_map_size = 1u + 1u;
|
|
ASSERT_EQ(expected_dex_register_map_size, dex_register_map.Size());
|
|
|
|
ASSERT_EQ(Kind::kInFpuRegister, dex_register_map.GetLocationKind(
|
|
0, number_of_dex_registers, code_info, encoding));
|
|
ASSERT_EQ(Kind::kInFpuRegisterHigh, dex_register_map.GetLocationKind(
|
|
1, number_of_dex_registers, code_info, encoding));
|
|
ASSERT_EQ(Kind::kInFpuRegister, dex_register_map.GetLocationInternalKind(
|
|
0, number_of_dex_registers, code_info, encoding));
|
|
ASSERT_EQ(Kind::kInFpuRegisterHigh, dex_register_map.GetLocationInternalKind(
|
|
1, number_of_dex_registers, code_info, encoding));
|
|
ASSERT_EQ(3, dex_register_map.GetMachineRegister(
|
|
0, number_of_dex_registers, code_info, encoding));
|
|
ASSERT_EQ(1, dex_register_map.GetMachineRegister(
|
|
1, number_of_dex_registers, code_info, encoding));
|
|
|
|
size_t index0 = dex_register_map.GetLocationCatalogEntryIndex(
|
|
0, number_of_dex_registers, number_of_catalog_entries);
|
|
size_t index1 = dex_register_map.GetLocationCatalogEntryIndex(
|
|
1, number_of_dex_registers, number_of_catalog_entries);
|
|
ASSERT_EQ(3u, index0); // Shared with second stack map.
|
|
ASSERT_EQ(6u, index1);
|
|
DexRegisterLocation location0 = location_catalog.GetDexRegisterLocation(index0);
|
|
DexRegisterLocation location1 = location_catalog.GetDexRegisterLocation(index1);
|
|
ASSERT_EQ(Kind::kInFpuRegister, location0.GetKind());
|
|
ASSERT_EQ(Kind::kInFpuRegisterHigh, location1.GetKind());
|
|
ASSERT_EQ(Kind::kInFpuRegister, location0.GetInternalKind());
|
|
ASSERT_EQ(Kind::kInFpuRegisterHigh, location1.GetInternalKind());
|
|
ASSERT_EQ(3, location0.GetValue());
|
|
ASSERT_EQ(1, location1.GetValue());
|
|
|
|
ASSERT_FALSE(stack_map.HasInlineInfo(encoding.stack_map_encoding));
|
|
}
|
|
}
|
|
|
|
TEST(StackMapTest, TestNonLiveDexRegisters) {
|
|
ArenaPool pool;
|
|
ArenaAllocator arena(&pool);
|
|
StackMapStream stream(&arena);
|
|
|
|
ArenaBitVector sp_mask(&arena, 0, false);
|
|
uint32_t number_of_dex_registers = 2;
|
|
stream.BeginStackMapEntry(0, 64, 0x3, &sp_mask, number_of_dex_registers, 0);
|
|
stream.AddDexRegisterEntry(Kind::kNone, 0); // No location.
|
|
stream.AddDexRegisterEntry(Kind::kConstant, -2); // Large location.
|
|
stream.EndStackMapEntry();
|
|
|
|
size_t size = stream.PrepareForFillIn();
|
|
void* memory = arena.Alloc(size, kArenaAllocMisc);
|
|
MemoryRegion region(memory, size);
|
|
stream.FillIn(region);
|
|
|
|
CodeInfo code_info(region);
|
|
CodeInfoEncoding encoding = code_info.ExtractEncoding();
|
|
ASSERT_EQ(1u, code_info.GetNumberOfStackMaps(encoding));
|
|
|
|
uint32_t number_of_catalog_entries = code_info.GetNumberOfLocationCatalogEntries(encoding);
|
|
ASSERT_EQ(1u, number_of_catalog_entries);
|
|
DexRegisterLocationCatalog location_catalog = code_info.GetDexRegisterLocationCatalog(encoding);
|
|
// The Dex register location catalog contains:
|
|
// - one 5-byte large Dex register location.
|
|
size_t expected_location_catalog_size = 5u;
|
|
ASSERT_EQ(expected_location_catalog_size, location_catalog.Size());
|
|
|
|
StackMap stack_map = code_info.GetStackMapAt(0, encoding);
|
|
ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForDexPc(0, encoding)));
|
|
ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForNativePcOffset(64, encoding)));
|
|
ASSERT_EQ(0u, stack_map.GetDexPc(encoding.stack_map_encoding));
|
|
ASSERT_EQ(64u, stack_map.GetNativePcOffset(encoding.stack_map_encoding));
|
|
ASSERT_EQ(0x3u, stack_map.GetRegisterMask(encoding.stack_map_encoding));
|
|
|
|
ASSERT_TRUE(stack_map.HasDexRegisterMap(encoding.stack_map_encoding));
|
|
DexRegisterMap dex_register_map =
|
|
code_info.GetDexRegisterMapOf(stack_map, encoding, number_of_dex_registers);
|
|
ASSERT_FALSE(dex_register_map.IsDexRegisterLive(0));
|
|
ASSERT_TRUE(dex_register_map.IsDexRegisterLive(1));
|
|
ASSERT_EQ(1u, dex_register_map.GetNumberOfLiveDexRegisters(number_of_dex_registers));
|
|
// The Dex register map contains:
|
|
// - one 1-byte live bit mask.
|
|
// No space is allocated for the sole location catalog entry index, as it is useless.
|
|
size_t expected_dex_register_map_size = 1u + 0u;
|
|
ASSERT_EQ(expected_dex_register_map_size, dex_register_map.Size());
|
|
|
|
ASSERT_EQ(Kind::kNone, dex_register_map.GetLocationKind(
|
|
0, number_of_dex_registers, code_info, encoding));
|
|
ASSERT_EQ(Kind::kConstant, dex_register_map.GetLocationKind(
|
|
1, number_of_dex_registers, code_info, encoding));
|
|
ASSERT_EQ(Kind::kNone, dex_register_map.GetLocationInternalKind(
|
|
0, number_of_dex_registers, code_info, encoding));
|
|
ASSERT_EQ(Kind::kConstantLargeValue, dex_register_map.GetLocationInternalKind(
|
|
1, number_of_dex_registers, code_info, encoding));
|
|
ASSERT_EQ(-2, dex_register_map.GetConstant(1, number_of_dex_registers, code_info, encoding));
|
|
|
|
size_t index0 = dex_register_map.GetLocationCatalogEntryIndex(
|
|
0, number_of_dex_registers, number_of_catalog_entries);
|
|
size_t index1 = dex_register_map.GetLocationCatalogEntryIndex(
|
|
1, number_of_dex_registers, number_of_catalog_entries);
|
|
ASSERT_EQ(DexRegisterLocationCatalog::kNoLocationEntryIndex, index0);
|
|
ASSERT_EQ(0u, index1);
|
|
DexRegisterLocation location0 = location_catalog.GetDexRegisterLocation(index0);
|
|
DexRegisterLocation location1 = location_catalog.GetDexRegisterLocation(index1);
|
|
ASSERT_EQ(Kind::kNone, location0.GetKind());
|
|
ASSERT_EQ(Kind::kConstant, location1.GetKind());
|
|
ASSERT_EQ(Kind::kNone, location0.GetInternalKind());
|
|
ASSERT_EQ(Kind::kConstantLargeValue, location1.GetInternalKind());
|
|
ASSERT_EQ(0, location0.GetValue());
|
|
ASSERT_EQ(-2, location1.GetValue());
|
|
|
|
ASSERT_FALSE(stack_map.HasInlineInfo(encoding.stack_map_encoding));
|
|
}
|
|
|
|
// Generate a stack map whose dex register offset is
|
|
// StackMap::kNoDexRegisterMapSmallEncoding, and ensure we do
|
|
// not treat it as kNoDexRegisterMap.
|
|
TEST(StackMapTest, DexRegisterMapOffsetOverflow) {
|
|
ArenaPool pool;
|
|
ArenaAllocator arena(&pool);
|
|
StackMapStream stream(&arena);
|
|
|
|
ArenaBitVector sp_mask(&arena, 0, false);
|
|
uint32_t number_of_dex_registers = 1024;
|
|
// Create the first stack map (and its Dex register map).
|
|
stream.BeginStackMapEntry(0, 64, 0x3, &sp_mask, number_of_dex_registers, 0);
|
|
uint32_t number_of_dex_live_registers_in_dex_register_map_0 = number_of_dex_registers - 8;
|
|
for (uint32_t i = 0; i < number_of_dex_live_registers_in_dex_register_map_0; ++i) {
|
|
// Use two different Dex register locations to populate this map,
|
|
// as using a single value (in the whole CodeInfo object) would
|
|
// make this Dex register mapping data empty (see
|
|
// art::DexRegisterMap::SingleEntrySizeInBits).
|
|
stream.AddDexRegisterEntry(Kind::kConstant, i % 2); // Short location.
|
|
}
|
|
stream.EndStackMapEntry();
|
|
// Create the second stack map (and its Dex register map).
|
|
stream.BeginStackMapEntry(0, 64, 0x3, &sp_mask, number_of_dex_registers, 0);
|
|
for (uint32_t i = 0; i < number_of_dex_registers; ++i) {
|
|
stream.AddDexRegisterEntry(Kind::kConstant, 0); // Short location.
|
|
}
|
|
stream.EndStackMapEntry();
|
|
|
|
size_t size = stream.PrepareForFillIn();
|
|
void* memory = arena.Alloc(size, kArenaAllocMisc);
|
|
MemoryRegion region(memory, size);
|
|
stream.FillIn(region);
|
|
|
|
CodeInfo code_info(region);
|
|
CodeInfoEncoding encoding = code_info.ExtractEncoding();
|
|
// The location catalog contains two entries (DexRegisterLocation(kConstant, 0)
|
|
// and DexRegisterLocation(kConstant, 1)), therefore the location catalog index
|
|
// has a size of 1 bit.
|
|
uint32_t number_of_catalog_entries = code_info.GetNumberOfLocationCatalogEntries(encoding);
|
|
ASSERT_EQ(2u, number_of_catalog_entries);
|
|
ASSERT_EQ(1u, DexRegisterMap::SingleEntrySizeInBits(number_of_catalog_entries));
|
|
|
|
// The first Dex register map contains:
|
|
// - a live register bit mask for 1024 registers (that is, 128 bytes of
|
|
// data); and
|
|
// - Dex register mapping information for 1016 1-bit Dex (live) register
|
|
// locations (that is, 127 bytes of data).
|
|
// Hence it has a size of 255 bytes, and therefore...
|
|
ASSERT_EQ(128u, DexRegisterMap::GetLiveBitMaskSize(number_of_dex_registers));
|
|
StackMap stack_map0 = code_info.GetStackMapAt(0, encoding);
|
|
DexRegisterMap dex_register_map0 =
|
|
code_info.GetDexRegisterMapOf(stack_map0, encoding, number_of_dex_registers);
|
|
ASSERT_EQ(127u, dex_register_map0.GetLocationMappingDataSize(number_of_dex_registers,
|
|
number_of_catalog_entries));
|
|
ASSERT_EQ(255u, dex_register_map0.Size());
|
|
|
|
StackMap stack_map1 = code_info.GetStackMapAt(1, encoding);
|
|
ASSERT_TRUE(stack_map1.HasDexRegisterMap(encoding.stack_map_encoding));
|
|
// ...the offset of the second Dex register map (relative to the
|
|
// beginning of the Dex register maps region) is 255 (i.e.,
|
|
// kNoDexRegisterMapSmallEncoding).
|
|
ASSERT_NE(stack_map1.GetDexRegisterMapOffset(encoding.stack_map_encoding),
|
|
StackMap::kNoDexRegisterMap);
|
|
ASSERT_EQ(stack_map1.GetDexRegisterMapOffset(encoding.stack_map_encoding), 0xFFu);
|
|
}
|
|
|
|
TEST(StackMapTest, TestShareDexRegisterMap) {
|
|
ArenaPool pool;
|
|
ArenaAllocator arena(&pool);
|
|
StackMapStream stream(&arena);
|
|
|
|
ArenaBitVector sp_mask(&arena, 0, false);
|
|
uint32_t number_of_dex_registers = 2;
|
|
// First stack map.
|
|
stream.BeginStackMapEntry(0, 64, 0x3, &sp_mask, number_of_dex_registers, 0);
|
|
stream.AddDexRegisterEntry(Kind::kInRegister, 0); // Short location.
|
|
stream.AddDexRegisterEntry(Kind::kConstant, -2); // Large location.
|
|
stream.EndStackMapEntry();
|
|
// Second stack map, which should share the same dex register map.
|
|
stream.BeginStackMapEntry(0, 64, 0x3, &sp_mask, number_of_dex_registers, 0);
|
|
stream.AddDexRegisterEntry(Kind::kInRegister, 0); // Short location.
|
|
stream.AddDexRegisterEntry(Kind::kConstant, -2); // Large location.
|
|
stream.EndStackMapEntry();
|
|
// Third stack map (doesn't share the dex register map).
|
|
stream.BeginStackMapEntry(0, 64, 0x3, &sp_mask, number_of_dex_registers, 0);
|
|
stream.AddDexRegisterEntry(Kind::kInRegister, 2); // Short location.
|
|
stream.AddDexRegisterEntry(Kind::kConstant, -2); // Large location.
|
|
stream.EndStackMapEntry();
|
|
|
|
size_t size = stream.PrepareForFillIn();
|
|
void* memory = arena.Alloc(size, kArenaAllocMisc);
|
|
MemoryRegion region(memory, size);
|
|
stream.FillIn(region);
|
|
|
|
CodeInfo ci(region);
|
|
CodeInfoEncoding encoding = ci.ExtractEncoding();
|
|
|
|
// Verify first stack map.
|
|
StackMap sm0 = ci.GetStackMapAt(0, encoding);
|
|
DexRegisterMap dex_registers0 = ci.GetDexRegisterMapOf(sm0, encoding, number_of_dex_registers);
|
|
ASSERT_EQ(0, dex_registers0.GetMachineRegister(0, number_of_dex_registers, ci, encoding));
|
|
ASSERT_EQ(-2, dex_registers0.GetConstant(1, number_of_dex_registers, ci, encoding));
|
|
|
|
// Verify second stack map.
|
|
StackMap sm1 = ci.GetStackMapAt(1, encoding);
|
|
DexRegisterMap dex_registers1 = ci.GetDexRegisterMapOf(sm1, encoding, number_of_dex_registers);
|
|
ASSERT_EQ(0, dex_registers1.GetMachineRegister(0, number_of_dex_registers, ci, encoding));
|
|
ASSERT_EQ(-2, dex_registers1.GetConstant(1, number_of_dex_registers, ci, encoding));
|
|
|
|
// Verify third stack map.
|
|
StackMap sm2 = ci.GetStackMapAt(2, encoding);
|
|
DexRegisterMap dex_registers2 = ci.GetDexRegisterMapOf(sm2, encoding, number_of_dex_registers);
|
|
ASSERT_EQ(2, dex_registers2.GetMachineRegister(0, number_of_dex_registers, ci, encoding));
|
|
ASSERT_EQ(-2, dex_registers2.GetConstant(1, number_of_dex_registers, ci, encoding));
|
|
|
|
// Verify dex register map offsets.
|
|
ASSERT_EQ(sm0.GetDexRegisterMapOffset(encoding.stack_map_encoding),
|
|
sm1.GetDexRegisterMapOffset(encoding.stack_map_encoding));
|
|
ASSERT_NE(sm0.GetDexRegisterMapOffset(encoding.stack_map_encoding),
|
|
sm2.GetDexRegisterMapOffset(encoding.stack_map_encoding));
|
|
ASSERT_NE(sm1.GetDexRegisterMapOffset(encoding.stack_map_encoding),
|
|
sm2.GetDexRegisterMapOffset(encoding.stack_map_encoding));
|
|
}
|
|
|
|
TEST(StackMapTest, TestNoDexRegisterMap) {
|
|
ArenaPool pool;
|
|
ArenaAllocator arena(&pool);
|
|
StackMapStream stream(&arena);
|
|
|
|
ArenaBitVector sp_mask(&arena, 0, false);
|
|
uint32_t number_of_dex_registers = 0;
|
|
stream.BeginStackMapEntry(0, 64, 0x3, &sp_mask, number_of_dex_registers, 0);
|
|
stream.EndStackMapEntry();
|
|
|
|
number_of_dex_registers = 1;
|
|
stream.BeginStackMapEntry(1, 67, 0x4, &sp_mask, number_of_dex_registers, 0);
|
|
stream.EndStackMapEntry();
|
|
|
|
size_t size = stream.PrepareForFillIn();
|
|
void* memory = arena.Alloc(size, kArenaAllocMisc);
|
|
MemoryRegion region(memory, size);
|
|
stream.FillIn(region);
|
|
|
|
CodeInfo code_info(region);
|
|
CodeInfoEncoding encoding = code_info.ExtractEncoding();
|
|
ASSERT_EQ(2u, code_info.GetNumberOfStackMaps(encoding));
|
|
|
|
uint32_t number_of_catalog_entries = code_info.GetNumberOfLocationCatalogEntries(encoding);
|
|
ASSERT_EQ(0u, number_of_catalog_entries);
|
|
DexRegisterLocationCatalog location_catalog = code_info.GetDexRegisterLocationCatalog(encoding);
|
|
ASSERT_EQ(0u, location_catalog.Size());
|
|
|
|
StackMap stack_map = code_info.GetStackMapAt(0, encoding);
|
|
ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForDexPc(0, encoding)));
|
|
ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForNativePcOffset(64, encoding)));
|
|
ASSERT_EQ(0u, stack_map.GetDexPc(encoding.stack_map_encoding));
|
|
ASSERT_EQ(64u, stack_map.GetNativePcOffset(encoding.stack_map_encoding));
|
|
ASSERT_EQ(0x3u, stack_map.GetRegisterMask(encoding.stack_map_encoding));
|
|
|
|
ASSERT_FALSE(stack_map.HasDexRegisterMap(encoding.stack_map_encoding));
|
|
ASSERT_FALSE(stack_map.HasInlineInfo(encoding.stack_map_encoding));
|
|
|
|
stack_map = code_info.GetStackMapAt(1, encoding);
|
|
ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForDexPc(1, encoding)));
|
|
ASSERT_TRUE(stack_map.Equals(code_info.GetStackMapForNativePcOffset(67, encoding)));
|
|
ASSERT_EQ(1u, stack_map.GetDexPc(encoding.stack_map_encoding));
|
|
ASSERT_EQ(67u, stack_map.GetNativePcOffset(encoding.stack_map_encoding));
|
|
ASSERT_EQ(0x4u, stack_map.GetRegisterMask(encoding.stack_map_encoding));
|
|
|
|
ASSERT_FALSE(stack_map.HasDexRegisterMap(encoding.stack_map_encoding));
|
|
ASSERT_FALSE(stack_map.HasInlineInfo(encoding.stack_map_encoding));
|
|
}
|
|
|
|
TEST(StackMapTest, InlineTest) {
|
|
ArenaPool pool;
|
|
ArenaAllocator arena(&pool);
|
|
StackMapStream stream(&arena);
|
|
|
|
ArenaBitVector sp_mask1(&arena, 0, true);
|
|
sp_mask1.SetBit(2);
|
|
sp_mask1.SetBit(4);
|
|
|
|
// First stack map.
|
|
stream.BeginStackMapEntry(0, 64, 0x3, &sp_mask1, 2, 2);
|
|
stream.AddDexRegisterEntry(Kind::kInStack, 0);
|
|
stream.AddDexRegisterEntry(Kind::kConstant, 4);
|
|
|
|
stream.BeginInlineInfoEntry(42, 2, kStatic, 1);
|
|
stream.AddDexRegisterEntry(Kind::kInStack, 8);
|
|
stream.EndInlineInfoEntry();
|
|
stream.BeginInlineInfoEntry(82, 3, kStatic, 3);
|
|
stream.AddDexRegisterEntry(Kind::kInStack, 16);
|
|
stream.AddDexRegisterEntry(Kind::kConstant, 20);
|
|
stream.AddDexRegisterEntry(Kind::kInRegister, 15);
|
|
stream.EndInlineInfoEntry();
|
|
|
|
stream.EndStackMapEntry();
|
|
|
|
// Second stack map.
|
|
stream.BeginStackMapEntry(2, 22, 0x3, &sp_mask1, 2, 3);
|
|
stream.AddDexRegisterEntry(Kind::kInStack, 56);
|
|
stream.AddDexRegisterEntry(Kind::kConstant, 0);
|
|
|
|
stream.BeginInlineInfoEntry(42, 2, kDirect, 1);
|
|
stream.AddDexRegisterEntry(Kind::kInStack, 12);
|
|
stream.EndInlineInfoEntry();
|
|
stream.BeginInlineInfoEntry(82, 3, kStatic, 3);
|
|
stream.AddDexRegisterEntry(Kind::kInStack, 80);
|
|
stream.AddDexRegisterEntry(Kind::kConstant, 10);
|
|
stream.AddDexRegisterEntry(Kind::kInRegister, 5);
|
|
stream.EndInlineInfoEntry();
|
|
stream.BeginInlineInfoEntry(52, 5, kVirtual, 0);
|
|
stream.EndInlineInfoEntry();
|
|
|
|
stream.EndStackMapEntry();
|
|
|
|
// Third stack map.
|
|
stream.BeginStackMapEntry(4, 56, 0x3, &sp_mask1, 2, 0);
|
|
stream.AddDexRegisterEntry(Kind::kNone, 0);
|
|
stream.AddDexRegisterEntry(Kind::kConstant, 4);
|
|
stream.EndStackMapEntry();
|
|
|
|
// Fourth stack map.
|
|
stream.BeginStackMapEntry(6, 78, 0x3, &sp_mask1, 2, 3);
|
|
stream.AddDexRegisterEntry(Kind::kInStack, 56);
|
|
stream.AddDexRegisterEntry(Kind::kConstant, 0);
|
|
|
|
stream.BeginInlineInfoEntry(42, 2, kVirtual, 0);
|
|
stream.EndInlineInfoEntry();
|
|
stream.BeginInlineInfoEntry(52, 5, kInterface, 1);
|
|
stream.AddDexRegisterEntry(Kind::kInRegister, 2);
|
|
stream.EndInlineInfoEntry();
|
|
stream.BeginInlineInfoEntry(52, 10, kStatic, 2);
|
|
stream.AddDexRegisterEntry(Kind::kNone, 0);
|
|
stream.AddDexRegisterEntry(Kind::kInRegister, 3);
|
|
stream.EndInlineInfoEntry();
|
|
|
|
stream.EndStackMapEntry();
|
|
|
|
size_t size = stream.PrepareForFillIn();
|
|
void* memory = arena.Alloc(size, kArenaAllocMisc);
|
|
MemoryRegion region(memory, size);
|
|
stream.FillIn(region);
|
|
|
|
CodeInfo ci(region);
|
|
CodeInfoEncoding encoding = ci.ExtractEncoding();
|
|
|
|
{
|
|
// Verify first stack map.
|
|
StackMap sm0 = ci.GetStackMapAt(0, encoding);
|
|
|
|
DexRegisterMap dex_registers0 = ci.GetDexRegisterMapOf(sm0, encoding, 2);
|
|
ASSERT_EQ(0, dex_registers0.GetStackOffsetInBytes(0, 2, ci, encoding));
|
|
ASSERT_EQ(4, dex_registers0.GetConstant(1, 2, ci, encoding));
|
|
|
|
InlineInfo if0 = ci.GetInlineInfoOf(sm0, encoding);
|
|
ASSERT_EQ(2u, if0.GetDepth(encoding.inline_info_encoding));
|
|
ASSERT_EQ(2u, if0.GetDexPcAtDepth(encoding.inline_info_encoding, 0));
|
|
ASSERT_EQ(42u, if0.GetMethodIndexAtDepth(encoding.inline_info_encoding, 0));
|
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ASSERT_EQ(kStatic, if0.GetInvokeTypeAtDepth(encoding.inline_info_encoding, 0));
|
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ASSERT_EQ(3u, if0.GetDexPcAtDepth(encoding.inline_info_encoding, 1));
|
|
ASSERT_EQ(82u, if0.GetMethodIndexAtDepth(encoding.inline_info_encoding, 1));
|
|
ASSERT_EQ(kStatic, if0.GetInvokeTypeAtDepth(encoding.inline_info_encoding, 1));
|
|
|
|
DexRegisterMap dex_registers1 = ci.GetDexRegisterMapAtDepth(0, if0, encoding, 1);
|
|
ASSERT_EQ(8, dex_registers1.GetStackOffsetInBytes(0, 1, ci, encoding));
|
|
|
|
DexRegisterMap dex_registers2 = ci.GetDexRegisterMapAtDepth(1, if0, encoding, 3);
|
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ASSERT_EQ(16, dex_registers2.GetStackOffsetInBytes(0, 3, ci, encoding));
|
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ASSERT_EQ(20, dex_registers2.GetConstant(1, 3, ci, encoding));
|
|
ASSERT_EQ(15, dex_registers2.GetMachineRegister(2, 3, ci, encoding));
|
|
}
|
|
|
|
{
|
|
// Verify second stack map.
|
|
StackMap sm1 = ci.GetStackMapAt(1, encoding);
|
|
|
|
DexRegisterMap dex_registers0 = ci.GetDexRegisterMapOf(sm1, encoding, 2);
|
|
ASSERT_EQ(56, dex_registers0.GetStackOffsetInBytes(0, 2, ci, encoding));
|
|
ASSERT_EQ(0, dex_registers0.GetConstant(1, 2, ci, encoding));
|
|
|
|
InlineInfo if1 = ci.GetInlineInfoOf(sm1, encoding);
|
|
ASSERT_EQ(3u, if1.GetDepth(encoding.inline_info_encoding));
|
|
ASSERT_EQ(2u, if1.GetDexPcAtDepth(encoding.inline_info_encoding, 0));
|
|
ASSERT_EQ(42u, if1.GetMethodIndexAtDepth(encoding.inline_info_encoding, 0));
|
|
ASSERT_EQ(kDirect, if1.GetInvokeTypeAtDepth(encoding.inline_info_encoding, 0));
|
|
ASSERT_EQ(3u, if1.GetDexPcAtDepth(encoding.inline_info_encoding, 1));
|
|
ASSERT_EQ(82u, if1.GetMethodIndexAtDepth(encoding.inline_info_encoding, 1));
|
|
ASSERT_EQ(kStatic, if1.GetInvokeTypeAtDepth(encoding.inline_info_encoding, 1));
|
|
ASSERT_EQ(5u, if1.GetDexPcAtDepth(encoding.inline_info_encoding, 2));
|
|
ASSERT_EQ(52u, if1.GetMethodIndexAtDepth(encoding.inline_info_encoding, 2));
|
|
ASSERT_EQ(kVirtual, if1.GetInvokeTypeAtDepth(encoding.inline_info_encoding, 2));
|
|
|
|
DexRegisterMap dex_registers1 = ci.GetDexRegisterMapAtDepth(0, if1, encoding, 1);
|
|
ASSERT_EQ(12, dex_registers1.GetStackOffsetInBytes(0, 1, ci, encoding));
|
|
|
|
DexRegisterMap dex_registers2 = ci.GetDexRegisterMapAtDepth(1, if1, encoding, 3);
|
|
ASSERT_EQ(80, dex_registers2.GetStackOffsetInBytes(0, 3, ci, encoding));
|
|
ASSERT_EQ(10, dex_registers2.GetConstant(1, 3, ci, encoding));
|
|
ASSERT_EQ(5, dex_registers2.GetMachineRegister(2, 3, ci, encoding));
|
|
|
|
ASSERT_FALSE(if1.HasDexRegisterMapAtDepth(encoding.inline_info_encoding, 2));
|
|
}
|
|
|
|
{
|
|
// Verify third stack map.
|
|
StackMap sm2 = ci.GetStackMapAt(2, encoding);
|
|
|
|
DexRegisterMap dex_registers0 = ci.GetDexRegisterMapOf(sm2, encoding, 2);
|
|
ASSERT_FALSE(dex_registers0.IsDexRegisterLive(0));
|
|
ASSERT_EQ(4, dex_registers0.GetConstant(1, 2, ci, encoding));
|
|
ASSERT_FALSE(sm2.HasInlineInfo(encoding.stack_map_encoding));
|
|
}
|
|
|
|
{
|
|
// Verify fourth stack map.
|
|
StackMap sm3 = ci.GetStackMapAt(3, encoding);
|
|
|
|
DexRegisterMap dex_registers0 = ci.GetDexRegisterMapOf(sm3, encoding, 2);
|
|
ASSERT_EQ(56, dex_registers0.GetStackOffsetInBytes(0, 2, ci, encoding));
|
|
ASSERT_EQ(0, dex_registers0.GetConstant(1, 2, ci, encoding));
|
|
|
|
InlineInfo if2 = ci.GetInlineInfoOf(sm3, encoding);
|
|
ASSERT_EQ(3u, if2.GetDepth(encoding.inline_info_encoding));
|
|
ASSERT_EQ(2u, if2.GetDexPcAtDepth(encoding.inline_info_encoding, 0));
|
|
ASSERT_EQ(42u, if2.GetMethodIndexAtDepth(encoding.inline_info_encoding, 0));
|
|
ASSERT_EQ(kVirtual, if2.GetInvokeTypeAtDepth(encoding.inline_info_encoding, 0));
|
|
ASSERT_EQ(5u, if2.GetDexPcAtDepth(encoding.inline_info_encoding, 1));
|
|
ASSERT_EQ(52u, if2.GetMethodIndexAtDepth(encoding.inline_info_encoding, 1));
|
|
ASSERT_EQ(kInterface, if2.GetInvokeTypeAtDepth(encoding.inline_info_encoding, 1));
|
|
ASSERT_EQ(10u, if2.GetDexPcAtDepth(encoding.inline_info_encoding, 2));
|
|
ASSERT_EQ(52u, if2.GetMethodIndexAtDepth(encoding.inline_info_encoding, 2));
|
|
ASSERT_EQ(kStatic, if2.GetInvokeTypeAtDepth(encoding.inline_info_encoding, 2));
|
|
|
|
ASSERT_FALSE(if2.HasDexRegisterMapAtDepth(encoding.inline_info_encoding, 0));
|
|
|
|
DexRegisterMap dex_registers1 = ci.GetDexRegisterMapAtDepth(1, if2, encoding, 1);
|
|
ASSERT_EQ(2, dex_registers1.GetMachineRegister(0, 1, ci, encoding));
|
|
|
|
DexRegisterMap dex_registers2 = ci.GetDexRegisterMapAtDepth(2, if2, encoding, 2);
|
|
ASSERT_FALSE(dex_registers2.IsDexRegisterLive(0));
|
|
ASSERT_EQ(3, dex_registers2.GetMachineRegister(1, 2, ci, encoding));
|
|
}
|
|
}
|
|
|
|
} // namespace art
|